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0e963201d0
Run admin/update-copyright.
1944 lines
55 KiB
C
1944 lines
55 KiB
C
/* The lwlib interface to Motif widgets.
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Copyright (C) 1994-1997, 1999-2016 Free Software Foundation, Inc.
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Copyright (C) 1992 Lucid, Inc.
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This file is part of the Lucid Widget Library.
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The Lucid Widget Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 1, or (at your option)
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any later version.
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The Lucid Widget Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
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#include <config.h>
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#include <unistd.h>
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#include <stdio.h>
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#include <setjmp.h>
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#include <X11/StringDefs.h>
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#include <X11/IntrinsicP.h>
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#include <X11/ObjectP.h>
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#include <X11/CoreP.h>
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#include <X11/CompositeP.h>
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#include <lisp.h>
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#include "lwlib-Xm.h"
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#include "lwlib-utils.h"
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#include <Xm/BulletinB.h>
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#include <Xm/CascadeB.h>
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#include <Xm/CascadeBG.h>
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#include <Xm/DrawingA.h>
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#include <Xm/FileSB.h>
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#include <Xm/Label.h>
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#include <Xm/List.h>
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#include <Xm/MainW.h>
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#include <Xm/MenuShell.h>
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#include <Xm/MessageB.h>
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#include <Xm/PanedW.h>
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#include <Xm/PushB.h>
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#include <Xm/PushBG.h>
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#include <Xm/ArrowB.h>
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#include <Xm/SelectioB.h>
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#include <Xm/Text.h>
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#include <Xm/TextF.h>
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#include <Xm/ToggleB.h>
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#include <Xm/ToggleBG.h>
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#include <Xm/RowColumn.h>
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#include <Xm/ScrolledW.h>
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#include <Xm/Separator.h>
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#include <Xm/DialogS.h>
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#include <Xm/Form.h>
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enum do_call_type { pre_activate, selection, no_selection, post_activate };
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/* Structures to keep destroyed instances */
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typedef struct _destroyed_instance
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{
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char* name;
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char* type;
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Widget widget;
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Widget parent;
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Boolean pop_up_p;
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struct _destroyed_instance* next;
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} destroyed_instance;
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static destroyed_instance *make_destroyed_instance (char *, char *,
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Widget, Widget,
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Boolean);
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static void free_destroyed_instance (destroyed_instance*);
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Widget first_child (Widget);
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static XmString resource_motif_string (Widget, char *);
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static void destroy_all_children (Widget, int);
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static void xm_update_label (widget_instance *, Widget, widget_value *);
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static void xm_update_list (widget_instance *, Widget, widget_value *);
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static void xm_update_pushbutton (widget_instance *, Widget,
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widget_value *);
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static void xm_update_cascadebutton (widget_instance *, Widget,
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widget_value *);
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static void xm_update_toggle (widget_instance *, Widget, widget_value *);
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static void xm_update_radiobox (widget_instance *, Widget, widget_value *);
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static void make_menu_in_widget (widget_instance *, Widget,
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widget_value *, int);
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static void update_one_menu_entry (widget_instance *, Widget,
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widget_value *, Boolean);
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static void xm_update_menu (widget_instance *, Widget, widget_value *,
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Boolean);
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static void xm_update_text (widget_instance *, Widget, widget_value *);
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static void xm_update_text_field (widget_instance *, Widget,
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widget_value *);
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static void activate_button (Widget, XtPointer, XtPointer);
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static Widget make_dialog (char *, Widget, Boolean, char *, char *,
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Boolean, Boolean, Boolean, int, int);
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static destroyed_instance* find_matching_instance (widget_instance*);
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static void mark_dead_instance_destroyed (Widget, XtPointer, XtPointer);
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static void recenter_widget (Widget);
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static Widget recycle_instance (destroyed_instance*);
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static Widget make_menubar (widget_instance*);
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static void remove_grabs (Widget, XtPointer, XtPointer);
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static Widget make_popup_menu (widget_instance*);
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static Widget make_main (widget_instance*);
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static void set_min_dialog_size (Widget);
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static void do_call (Widget, XtPointer, enum do_call_type);
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static void xm_generic_callback (Widget, XtPointer, XtPointer);
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static void xm_nosel_callback (Widget, XtPointer, XtPointer);
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static void xm_pull_down_callback (Widget, XtPointer, XtPointer);
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static void xm_pop_down_callback (Widget, XtPointer, XtPointer);
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static void xm_internal_update_other_instances (Widget, XtPointer,
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XtPointer);
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static void xm_arm_callback (Widget, XtPointer, XtPointer);
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#if 0
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void xm_update_one_widget (widget_instance *, Widget, widget_value *,
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Boolean);
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void xm_pop_instance (widget_instance*, Boolean);
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void xm_manage_resizing (Widget, Boolean);
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#endif
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#if 0
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/* Print the complete X resource name of widget WIDGET to stderr.
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This is sometimes handy to have available. */
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void
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x_print_complete_resource_name (Widget widget)
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{
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int i;
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String names[100];
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for (i = 0; i < 100 && widget != NULL; ++i)
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{
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names[i] = XtName (widget);
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widget = XtParent (widget);
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}
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for (--i; i >= 1; --i)
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fprintf (stderr, "%s.", names[i]);
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fprintf (stderr, "%s\n", names[0]);
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}
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#endif /* 0 */
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static destroyed_instance *all_destroyed_instances = NULL;
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static destroyed_instance*
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make_destroyed_instance (char* name,
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char* type,
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Widget widget,
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Widget parent,
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Boolean pop_up_p)
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{
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destroyed_instance* instance =
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(destroyed_instance*) xmalloc (sizeof (destroyed_instance));
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instance->name = xstrdup (name);
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instance->type = xstrdup (type);
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instance->widget = widget;
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instance->parent = parent;
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instance->pop_up_p = pop_up_p;
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instance->next = NULL;
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return instance;
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}
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static void
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free_destroyed_instance (destroyed_instance* instance)
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{
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xfree (instance->name);
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xfree (instance->type);
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xfree (instance);
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}
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/* motif utility functions */
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Widget
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first_child (Widget widget)
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{
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return ((CompositeWidget)widget)->composite.children [0];
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}
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Boolean
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lw_motif_widget_p (Widget widget)
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{
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return
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XtClass (widget) == xmDialogShellWidgetClass
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|| XmIsPrimitive (widget) || XmIsManager (widget) || XmIsGadget (widget);
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}
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static XmString
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resource_motif_string (Widget widget,
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char* name)
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{
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XtResource resource;
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XmString result = 0;
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resource.resource_name = name;
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resource.resource_class = XmCXmString;
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resource.resource_type = XmRXmString;
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resource.resource_size = sizeof (XmString);
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resource.resource_offset = 0;
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resource.default_type = XtRImmediate;
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resource.default_addr = 0;
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XtGetSubresources (widget, (XtPointer)&result, "dialogString",
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"DialogString", &resource, 1, NULL, 0);
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return result;
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}
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/* Destroy all of the children of WIDGET
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starting with number FIRST_CHILD_TO_DESTROY. */
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static void
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destroy_all_children (Widget widget,
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int first_child_to_destroy)
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{
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Widget* children;
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unsigned int number;
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int i;
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children = XtCompositeChildren (widget, &number);
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if (children)
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{
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XtUnmanageChildren (children + first_child_to_destroy,
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number - first_child_to_destroy);
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/* Unmanage all children and destroy them. They will only be
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really destroyed when we get out of DispatchEvent. */
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for (i = first_child_to_destroy; i < number; i++)
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{
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Arg al[2];
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Widget submenu = 0;
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/* Cascade buttons have submenus,and these submenus
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need to be freed. But they are not included in
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XtCompositeChildren. So get it out of the cascade button
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and free it. If this child is not a cascade button,
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then submenu should remain unchanged. */
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XtSetArg (al[0], XmNsubMenuId, &submenu);
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XtGetValues (children[i], al, 1);
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if (submenu)
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{
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destroy_all_children (submenu, 0);
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XtDestroyWidget (submenu);
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}
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XtDestroyWidget (children[i]);
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}
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XtFree ((char *) children);
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}
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}
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/* Callback XmNarmCallback and XmNdisarmCallback for buttons in a
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menu. CLIENT_DATA contains a pointer to the widget_value
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corresponding to widget W. CALL_DATA contains a
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XmPushButtonCallbackStruct containing the reason why the callback
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is called. */
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static void
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xm_arm_callback (Widget w, XtPointer client_data, XtPointer call_data)
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{
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XmPushButtonCallbackStruct *cbs = (XmPushButtonCallbackStruct *) call_data;
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widget_value *wv = (widget_value *) client_data;
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widget_instance *instance;
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/* Get the id of the menu bar or popup menu this widget is in. */
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while (w != NULL)
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{
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if (XmIsRowColumn (w))
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{
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unsigned char type = 0xff;
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XtVaGetValues (w, XmNrowColumnType, &type, NULL);
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if (type == XmMENU_BAR || type == XmMENU_POPUP)
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break;
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}
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w = XtParent (w);
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}
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if (w != NULL)
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{
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instance = lw_get_widget_instance (w);
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if (instance && instance->info->highlight_cb)
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{
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call_data = cbs->reason == XmCR_DISARM ? NULL : wv;
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instance->info->highlight_cb (w, instance->info->id, call_data);
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}
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}
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}
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/* Update the label of widget WIDGET. WIDGET must be a Label widget
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or a subclass of Label. WIDGET_INSTANCE is unused. VAL contains
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the value to update.
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Menus:
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Emacs fills VAL->name with the text to display in the menu, and
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sets VAL->value to null. Function make_menu_in_widget creates
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widgets with VAL->name as resource name. This works because the
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Label widget uses its resource name for display if no
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XmNlabelString is set.
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Dialogs:
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VAL->name is again set to the resource name, but VAL->value is
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not null, and contains the label string to display. */
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static void
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xm_update_label (widget_instance* instance,
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Widget widget,
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widget_value* val)
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{
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XmString res_string = 0;
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XmString built_string = 0;
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XmString key_string = 0;
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Arg al [256];
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int ac;
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ac = 0;
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if (val->value)
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{
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/* A label string is specified, i.e. we are in a dialog. First
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see if it is overridden by something from the resource file. */
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res_string = resource_motif_string (widget, val->value);
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if (res_string)
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{
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XtSetArg (al [ac], XmNlabelString, res_string); ac++;
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}
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else
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{
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built_string =
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XmStringCreateLocalized (val->value);
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XtSetArg (al [ac], XmNlabelString, built_string); ac++;
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}
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XtSetArg (al [ac], XmNlabelType, XmSTRING); ac++;
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}
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if (val->key)
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{
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key_string = XmStringCreateLocalized (val->key);
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XtSetArg (al [ac], XmNacceleratorText, key_string); ac++;
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}
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if (ac)
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XtSetValues (widget, al, ac);
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if (built_string)
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XmStringFree (built_string);
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if (key_string)
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XmStringFree (key_string);
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}
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/* update of list */
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static void
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xm_update_list (widget_instance* instance,
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Widget widget,
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widget_value* val)
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{
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widget_value* cur;
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int i;
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XtRemoveAllCallbacks (widget, XmNsingleSelectionCallback);
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XtAddCallback (widget, XmNsingleSelectionCallback, xm_generic_callback,
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instance);
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for (cur = val->contents, i = 0; cur; cur = cur->next)
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if (cur->value)
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{
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XmString xmstr = XmStringCreateLocalized (cur->value);
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i += 1;
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XmListAddItem (widget, xmstr, 0);
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if (cur->selected)
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XmListSelectPos (widget, i, False);
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XmStringFree (xmstr);
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}
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}
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/* update of buttons */
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static void
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xm_update_pushbutton (widget_instance* instance,
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Widget widget,
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widget_value* val)
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{
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XtVaSetValues (widget, XmNalignment, XmALIGNMENT_CENTER, NULL);
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XtRemoveAllCallbacks (widget, XmNactivateCallback);
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XtAddCallback (widget, XmNactivateCallback, xm_generic_callback, instance);
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}
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static void
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xm_update_cascadebutton (widget_instance* instance,
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Widget widget,
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widget_value* val)
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{
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/* Should also rebuild the menu by calling ...update_menu... */
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XtRemoveAllCallbacks (widget, XmNcascadingCallback);
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XtAddCallback (widget, XmNcascadingCallback, xm_pull_down_callback,
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instance);
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}
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/* update toggle and radiobox */
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static void
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xm_update_toggle (widget_instance* instance,
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Widget widget,
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widget_value* val)
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{
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XtRemoveAllCallbacks (widget, XmNvalueChangedCallback);
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XtAddCallback (widget, XmNvalueChangedCallback,
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xm_generic_callback, instance);
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XtVaSetValues (widget, XmNset, val->selected,
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XmNalignment, XmALIGNMENT_BEGINNING, NULL);
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}
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static void
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xm_update_radiobox (widget_instance* instance,
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Widget widget,
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widget_value* val)
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{
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Widget toggle;
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widget_value* cur;
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/* update the callback */
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XtRemoveAllCallbacks (widget, XmNentryCallback);
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XtAddCallback (widget, XmNentryCallback, xm_generic_callback, instance);
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/* first update all the toggles */
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/* Energize kernel interface is currently bad. It sets the selected widget
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with the selected flag but returns it by its name. So we currently
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have to support both setting the selection with the selected slot
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of val contents and setting it with the "value" slot of val. The latter
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has a higher priority. This to be removed when the kernel is fixed. */
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for (cur = val->contents; cur; cur = cur->next)
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{
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toggle = XtNameToWidget (widget, cur->value);
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if (toggle)
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{
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XtSetSensitive (toggle, cur->enabled);
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if (!val->value && cur->selected)
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XtVaSetValues (toggle, XmNset, cur->selected, NULL);
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if (val->value && strcmp (val->value, cur->value))
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XtVaSetValues (toggle, XmNset, False, NULL);
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}
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}
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/* The selected was specified by the value slot */
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if (val->value)
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{
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toggle = XtNameToWidget (widget, val->value);
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if (toggle)
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XtVaSetValues (toggle, XmNset, True, NULL);
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}
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}
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/* update a popup menu, pulldown menu or a menubar */
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/* KEEP_FIRST_CHILDREN gives the number of initial children to keep. */
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static void
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make_menu_in_widget (widget_instance* instance,
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Widget widget,
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widget_value* val,
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int keep_first_children)
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{
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Widget* children = 0;
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int num_children;
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int child_index;
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widget_value* cur;
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Widget button = 0;
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Widget menu;
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Arg al [256];
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int ac;
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Boolean menubar_p;
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unsigned char type;
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Widget* old_children;
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unsigned int old_num_children;
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/* Disable drag and drop for labels in menu bar. */
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static char overrideTrans[] = "<Btn2Down>: Noop()";
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XtTranslations override = XtParseTranslationTable (overrideTrans);
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old_children = XtCompositeChildren (widget, &old_num_children);
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/* Allocate the children array */
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for (num_children = 0, cur = val; cur; num_children++, cur = cur->next)
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;
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children = (Widget*)(void*)XtMalloc (num_children * sizeof (Widget));
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/* WIDGET should be a RowColumn. */
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if (!XmIsRowColumn (widget))
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abort ();
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/* Determine whether WIDGET is a menu bar. */
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type = -1;
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XtSetArg (al[0], XmNrowColumnType, &type);
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XtGetValues (widget, al, 1);
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if (type != XmMENU_BAR && type != XmMENU_PULLDOWN && type != XmMENU_POPUP)
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abort ();
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menubar_p = type == XmMENU_BAR;
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/* Add a callback to popups and pulldowns that is called when
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it is made invisible again. */
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if (!menubar_p)
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XtAddCallback (XtParent (widget), XmNpopdownCallback,
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xm_pop_down_callback, (XtPointer)instance);
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|
||
/* Preserve the first KEEP_FIRST_CHILDREN old children. */
|
||
for (child_index = 0, cur = val; child_index < keep_first_children;
|
||
child_index++, cur = cur->next)
|
||
children[child_index] = old_children[child_index];
|
||
|
||
/* Check that those are all we have
|
||
(the caller should have deleted the rest). */
|
||
if (old_num_children != keep_first_children)
|
||
abort ();
|
||
|
||
/* Create the rest. */
|
||
for (child_index = keep_first_children; cur; child_index++, cur = cur->next)
|
||
{
|
||
enum menu_separator separator;
|
||
|
||
ac = 0;
|
||
XtSetArg (al[ac], XmNsensitive, cur->enabled); ac++;
|
||
XtSetArg (al[ac], XmNalignment, XmALIGNMENT_BEGINNING); ac++;
|
||
XtSetArg (al[ac], XmNuserData, cur->call_data); ac++;
|
||
|
||
if (instance->pop_up_p && !cur->contents && !cur->call_data
|
||
&& !lw_separator_p (cur->name, &separator, 1))
|
||
{
|
||
ac = 0;
|
||
XtSetArg (al[ac], XmNalignment, XmALIGNMENT_CENTER); ac++;
|
||
button = XmCreateLabel (widget, cur->name, al, ac);
|
||
}
|
||
else if (lw_separator_p (cur->name, &separator, 1))
|
||
{
|
||
ac = 0;
|
||
XtSetArg (al[ac], XmNseparatorType, separator); ++ac;
|
||
button = XmCreateSeparator (widget, cur->name, al, ac);
|
||
}
|
||
else if (!cur->contents)
|
||
{
|
||
if (menubar_p)
|
||
button = XmCreateCascadeButton (widget, cur->name, al, ac);
|
||
else if (!cur->call_data)
|
||
button = XmCreateLabel (widget, cur->name, al, ac);
|
||
else if (cur->button_type == BUTTON_TYPE_TOGGLE
|
||
|| cur->button_type == BUTTON_TYPE_RADIO)
|
||
{
|
||
XtSetArg (al[ac], XmNset, cur->selected); ++ac;
|
||
XtSetArg (al[ac], XmNvisibleWhenOff, True); ++ac;
|
||
XtSetArg (al[ac], XmNindicatorType,
|
||
(cur->button_type == BUTTON_TYPE_TOGGLE
|
||
? XmN_OF_MANY : XmONE_OF_MANY));
|
||
++ac;
|
||
button = XmCreateToggleButton (widget, cur->name, al, ac);
|
||
XtAddCallback (button, XmNarmCallback, xm_arm_callback, cur);
|
||
XtAddCallback (button, XmNdisarmCallback, xm_arm_callback, cur);
|
||
}
|
||
else
|
||
{
|
||
button = XmCreatePushButton (widget, cur->name, al, ac);
|
||
XtAddCallback (button, XmNarmCallback, xm_arm_callback, cur);
|
||
XtAddCallback (button, XmNdisarmCallback, xm_arm_callback, cur);
|
||
}
|
||
|
||
xm_update_label (instance, button, cur);
|
||
|
||
/* Add a callback that is called when the button is
|
||
selected. Toggle buttons don't support
|
||
XmNactivateCallback, we use XmNvalueChangedCallback in
|
||
that case. Don't add a callback to a simple label. */
|
||
if (cur->button_type)
|
||
xm_update_toggle (instance, button, cur);
|
||
else if (cur->call_data)
|
||
XtAddCallback (button, XmNactivateCallback, xm_generic_callback,
|
||
(XtPointer)instance);
|
||
}
|
||
else
|
||
{
|
||
menu = XmCreatePulldownMenu (widget, cur->name, NULL, 0);
|
||
|
||
make_menu_in_widget (instance, menu, cur->contents, 0);
|
||
XtSetArg (al[ac], XmNsubMenuId, menu); ac++;
|
||
button = XmCreateCascadeButton (widget, cur->name, al, ac);
|
||
|
||
xm_update_label (instance, button, cur);
|
||
|
||
XtAddCallback (button, XmNcascadingCallback, xm_pull_down_callback,
|
||
(XtPointer)instance);
|
||
XtOverrideTranslations (button, override);
|
||
|
||
}
|
||
|
||
children[child_index] = button;
|
||
}
|
||
|
||
/* Last entry is the help button. The original comment read "Has to
|
||
be done after managing the buttons otherwise the menubar is only
|
||
4 pixels high." This is no longer true, and to make
|
||
XmNmenuHelpWidget work, we need to set it before managing the
|
||
children.. --gerd. */
|
||
if (button)
|
||
XtVaSetValues (widget, XmNmenuHelpWidget, button, NULL);
|
||
|
||
if (num_children)
|
||
XtManageChildren (children, num_children);
|
||
|
||
XtFree ((char *) children);
|
||
if (old_children)
|
||
XtFree ((char *) old_children);
|
||
}
|
||
|
||
static void
|
||
update_one_menu_entry (widget_instance* instance,
|
||
Widget widget,
|
||
widget_value* val,
|
||
Boolean deep_p)
|
||
{
|
||
Arg al [256];
|
||
int ac;
|
||
Widget menu;
|
||
widget_value* contents;
|
||
|
||
if (val->this_one_change == NO_CHANGE)
|
||
return;
|
||
|
||
/* update the sensitivity and userdata */
|
||
/* Common to all widget types */
|
||
XtSetSensitive (widget, val->enabled);
|
||
XtVaSetValues (widget, XmNuserData, val->call_data, NULL);
|
||
|
||
/* update the menu button as a label. */
|
||
if (val->this_one_change >= VISIBLE_CHANGE)
|
||
{
|
||
xm_update_label (instance, widget, val);
|
||
if (val->button_type)
|
||
xm_update_toggle (instance, widget, val);
|
||
}
|
||
|
||
/* update the pulldown/pullaside as needed */
|
||
ac = 0;
|
||
menu = NULL;
|
||
XtSetArg (al [ac], XmNsubMenuId, &menu); ac++;
|
||
XtGetValues (widget, al, ac);
|
||
|
||
contents = val->contents;
|
||
|
||
if (!menu)
|
||
{
|
||
if (contents)
|
||
{
|
||
unsigned int old_num_children, i;
|
||
Widget parent;
|
||
Widget *widget_list;
|
||
|
||
parent = XtParent (widget);
|
||
widget_list = XtCompositeChildren (parent, &old_num_children);
|
||
|
||
/* Find the widget position within the parent's widget list. */
|
||
for (i = 0; i < old_num_children; i++)
|
||
if (strcmp (XtName (widget_list[i]), XtName (widget)) == 0)
|
||
break;
|
||
if (i == old_num_children)
|
||
abort ();
|
||
if (XmIsCascadeButton (widget_list[i]))
|
||
{
|
||
menu = XmCreatePulldownMenu (parent, XtName(widget), NULL, 0);
|
||
make_menu_in_widget (instance, menu, contents, 0);
|
||
ac = 0;
|
||
XtSetArg (al [ac], XmNsubMenuId, menu); ac++;
|
||
XtSetValues (widget, al, ac);
|
||
}
|
||
else
|
||
{
|
||
Widget button;
|
||
|
||
/* The current menuitem is a XmPushButtonGadget, it
|
||
needs to be replaced by a CascadeButtonGadget */
|
||
XtDestroyWidget (widget_list[i]);
|
||
menu = XmCreatePulldownMenu (parent, val->name, NULL, 0);
|
||
make_menu_in_widget (instance, menu, contents, 0);
|
||
ac = 0;
|
||
XtSetArg (al [ac], XmNsubMenuId, menu); ac++;
|
||
/* Non-zero values don't work reliably in
|
||
conjunction with Emacs' event loop */
|
||
XtSetArg (al [ac], XmNmappingDelay, 0); ac++;
|
||
#ifdef XmNpositionIndex /* This is undefined on SCO ODT 2.0. */
|
||
/* Tell Motif to put it in the right place */
|
||
XtSetArg (al [ac], XmNpositionIndex , i); ac++;
|
||
#endif
|
||
button = XmCreateCascadeButton (parent, val->name, al, ac);
|
||
xm_update_label (instance, button, val);
|
||
|
||
XtAddCallback (button, XmNcascadingCallback, xm_pull_down_callback,
|
||
(XtPointer)instance);
|
||
XtManageChild (button);
|
||
}
|
||
|
||
if (widget_list)
|
||
XtFree ((char*) widget_list);
|
||
}
|
||
}
|
||
else if (!contents)
|
||
{
|
||
ac = 0;
|
||
XtSetArg (al [ac], XmNsubMenuId, NULL); ac++;
|
||
XtSetValues (widget, al, ac);
|
||
XtDestroyWidget (menu);
|
||
}
|
||
else if (deep_p && contents->change != NO_CHANGE)
|
||
xm_update_menu (instance, menu, val, 1);
|
||
}
|
||
|
||
static void
|
||
xm_update_menu (widget_instance* instance,
|
||
Widget widget,
|
||
widget_value* val,
|
||
Boolean deep_p)
|
||
{
|
||
Widget* children;
|
||
unsigned int num_children;
|
||
int num_children_to_keep = 0;
|
||
int i;
|
||
widget_value* cur;
|
||
|
||
children = XtCompositeChildren (widget, &num_children);
|
||
|
||
/* Widget is a RowColumn widget whose contents have to be updated
|
||
* to reflect the list of items in val->contents */
|
||
|
||
/* See how many buttons we can keep, and how many we
|
||
must completely replace. */
|
||
if (val->contents == 0)
|
||
num_children_to_keep = 0;
|
||
else if (val->contents->change == STRUCTURAL_CHANGE)
|
||
{
|
||
if (children)
|
||
{
|
||
for (i = 0, cur = val->contents;
|
||
(i < num_children
|
||
&& cur); /* how else to ditch unwanted children ?? - mgd */
|
||
i++, cur = cur->next)
|
||
{
|
||
if (cur->this_one_change == STRUCTURAL_CHANGE)
|
||
break;
|
||
}
|
||
|
||
num_children_to_keep = i;
|
||
}
|
||
}
|
||
else
|
||
num_children_to_keep = num_children;
|
||
|
||
/* Update all the buttons of the RowColumn, in order,
|
||
except for those we are going to replace entirely. */
|
||
if (children)
|
||
{
|
||
for (i = 0, cur = val->contents; i < num_children_to_keep; i++)
|
||
{
|
||
if (!cur)
|
||
{
|
||
num_children_to_keep = i;
|
||
break;
|
||
}
|
||
if (children [i]->core.being_destroyed
|
||
|| strcmp (XtName (children [i]), cur->name))
|
||
continue;
|
||
update_one_menu_entry (instance, children [i], cur, deep_p);
|
||
cur = cur->next;
|
||
}
|
||
}
|
||
|
||
/* Now replace from scratch all the buttons after the last
|
||
place that the top-level structure changed. */
|
||
if (val->contents && val->contents->change == STRUCTURAL_CHANGE)
|
||
{
|
||
destroy_all_children (widget, num_children_to_keep);
|
||
make_menu_in_widget (instance, widget, val->contents,
|
||
num_children_to_keep);
|
||
}
|
||
|
||
XtFree ((char *) children);
|
||
}
|
||
|
||
|
||
/* update text widgets */
|
||
|
||
static void
|
||
xm_update_text (widget_instance* instance,
|
||
Widget widget,
|
||
widget_value* val)
|
||
{
|
||
XmTextSetString (widget, val->value ? val->value : "");
|
||
XtRemoveAllCallbacks (widget, XmNactivateCallback);
|
||
XtAddCallback (widget, XmNactivateCallback, xm_generic_callback, instance);
|
||
XtRemoveAllCallbacks (widget, XmNvalueChangedCallback);
|
||
XtAddCallback (widget, XmNvalueChangedCallback,
|
||
xm_internal_update_other_instances, instance);
|
||
}
|
||
|
||
static void
|
||
xm_update_text_field (widget_instance* instance,
|
||
Widget widget,
|
||
widget_value* val)
|
||
{
|
||
XmTextFieldSetString (widget, val->value ? val->value : "");
|
||
XtRemoveAllCallbacks (widget, XmNactivateCallback);
|
||
XtAddCallback (widget, XmNactivateCallback, xm_generic_callback, instance);
|
||
XtRemoveAllCallbacks (widget, XmNvalueChangedCallback);
|
||
XtAddCallback (widget, XmNvalueChangedCallback,
|
||
xm_internal_update_other_instances, instance);
|
||
}
|
||
|
||
|
||
/* update a motif widget */
|
||
|
||
void
|
||
xm_update_one_widget (widget_instance* instance,
|
||
Widget widget,
|
||
widget_value* val,
|
||
Boolean deep_p)
|
||
{
|
||
WidgetClass class;
|
||
|
||
/* Mark as not edited */
|
||
val->edited = False;
|
||
|
||
/* Common to all widget types */
|
||
XtSetSensitive (widget, val->enabled);
|
||
XtVaSetValues (widget, XmNuserData, val->call_data, NULL);
|
||
|
||
/* Common to all label like widgets */
|
||
if (XtIsSubclass (widget, xmLabelWidgetClass))
|
||
xm_update_label (instance, widget, val);
|
||
|
||
class = XtClass (widget);
|
||
/* Class specific things */
|
||
if (class == xmPushButtonWidgetClass ||
|
||
class == xmArrowButtonWidgetClass)
|
||
{
|
||
xm_update_pushbutton (instance, widget, val);
|
||
}
|
||
else if (class == xmCascadeButtonWidgetClass)
|
||
{
|
||
xm_update_cascadebutton (instance, widget, val);
|
||
}
|
||
else if (class == xmToggleButtonWidgetClass
|
||
|| class == xmToggleButtonGadgetClass)
|
||
{
|
||
xm_update_toggle (instance, widget, val);
|
||
}
|
||
else if (class == xmRowColumnWidgetClass)
|
||
{
|
||
Boolean radiobox = 0;
|
||
int ac = 0;
|
||
Arg al [1];
|
||
|
||
XtSetArg (al [ac], XmNradioBehavior, &radiobox); ac++;
|
||
XtGetValues (widget, al, ac);
|
||
|
||
if (radiobox)
|
||
xm_update_radiobox (instance, widget, val);
|
||
else
|
||
xm_update_menu (instance, widget, val, deep_p);
|
||
}
|
||
else if (class == xmTextWidgetClass)
|
||
{
|
||
xm_update_text (instance, widget, val);
|
||
}
|
||
else if (class == xmTextFieldWidgetClass)
|
||
{
|
||
xm_update_text_field (instance, widget, val);
|
||
}
|
||
else if (class == xmListWidgetClass)
|
||
{
|
||
xm_update_list (instance, widget, val);
|
||
}
|
||
}
|
||
|
||
/* getting the value back */
|
||
void
|
||
xm_update_one_value (widget_instance* instance,
|
||
Widget widget,
|
||
widget_value* val)
|
||
{
|
||
WidgetClass class = XtClass (widget);
|
||
widget_value *old_wv;
|
||
|
||
/* copy the call_data slot into the "return" widget_value */
|
||
for (old_wv = instance->info->val->contents; old_wv; old_wv = old_wv->next)
|
||
if (!strcmp (val->name, old_wv->name))
|
||
{
|
||
val->call_data = old_wv->call_data;
|
||
break;
|
||
}
|
||
|
||
if (class == xmToggleButtonWidgetClass || class == xmToggleButtonGadgetClass)
|
||
{
|
||
XtVaGetValues (widget, XmNset, &val->selected, NULL);
|
||
val->edited = True;
|
||
}
|
||
else if (class == xmTextWidgetClass)
|
||
{
|
||
xfree (val->value);
|
||
val->value = XmTextGetString (widget);
|
||
val->edited = True;
|
||
}
|
||
else if (class == xmTextFieldWidgetClass)
|
||
{
|
||
xfree (val->value);
|
||
val->value = XmTextFieldGetString (widget);
|
||
val->edited = True;
|
||
}
|
||
else if (class == xmRowColumnWidgetClass)
|
||
{
|
||
Boolean radiobox = 0;
|
||
int ac = 0;
|
||
Arg al [1];
|
||
|
||
XtSetArg (al [ac], XmNradioBehavior, &radiobox); ac++;
|
||
XtGetValues (widget, al, ac);
|
||
|
||
if (radiobox)
|
||
{
|
||
CompositeWidget radio = (CompositeWidget)widget;
|
||
int i;
|
||
for (i = 0; i < radio->composite.num_children; i++)
|
||
{
|
||
int set = False;
|
||
Widget toggle = radio->composite.children [i];
|
||
|
||
XtVaGetValues (toggle, XmNset, &set, NULL);
|
||
if (set)
|
||
dupstring (&val->value, XtName (toggle));
|
||
}
|
||
val->edited = True;
|
||
}
|
||
}
|
||
else if (class == xmListWidgetClass)
|
||
{
|
||
int pos_cnt;
|
||
int* pos_list;
|
||
if (XmListGetSelectedPos (widget, &pos_list, &pos_cnt))
|
||
{
|
||
int i;
|
||
widget_value* cur;
|
||
for (cur = val->contents, i = 0; cur; cur = cur->next)
|
||
if (cur->value)
|
||
{
|
||
int j;
|
||
cur->selected = False;
|
||
i += 1;
|
||
for (j = 0; j < pos_cnt; j++)
|
||
if (pos_list [j] == i)
|
||
{
|
||
cur->selected = True;
|
||
val->value = xstrdup (cur->name);
|
||
}
|
||
}
|
||
val->edited = 1;
|
||
XtFree ((char *) pos_list);
|
||
}
|
||
}
|
||
}
|
||
|
||
|
||
/* This function is for activating a button from a program. It's wrong because
|
||
we pass a NULL argument in the call_data which is not Motif compatible.
|
||
This is used from the XmNdefaultAction callback of the List widgets to
|
||
have a double-click put down a dialog box like the button would do.
|
||
I could not find a way to do that with accelerators.
|
||
*/
|
||
static void
|
||
activate_button (Widget widget,
|
||
XtPointer closure,
|
||
XtPointer call_data)
|
||
{
|
||
Widget button = (Widget)closure;
|
||
XtCallCallbacks (button, XmNactivateCallback, NULL);
|
||
}
|
||
|
||
/* creation functions */
|
||
|
||
/* Called for key press in dialogs. Used to pop down dialog on ESC. */
|
||
static void
|
||
dialog_key_cb (Widget widget,
|
||
XtPointer closure,
|
||
XEvent *event,
|
||
Boolean *continue_to_dispatch)
|
||
{
|
||
KeySym sym = 0;
|
||
Modifiers modif_ret;
|
||
|
||
XtTranslateKeycode (event->xkey.display, event->xkey.keycode, 0,
|
||
&modif_ret, &sym);
|
||
|
||
if (sym == osfXK_Cancel)
|
||
{
|
||
Widget w = *((Widget *) closure);
|
||
|
||
while (w && ! XtIsShell (w))
|
||
w = XtParent (w);
|
||
|
||
if (XtIsShell (w)) XtPopdown (w);
|
||
}
|
||
|
||
*continue_to_dispatch = TRUE;
|
||
}
|
||
|
||
/* dialogs */
|
||
static Widget
|
||
make_dialog (char* name,
|
||
Widget parent,
|
||
Boolean pop_up_p,
|
||
char* shell_title,
|
||
char* icon_name,
|
||
Boolean text_input_slot,
|
||
Boolean radio_box,
|
||
Boolean list,
|
||
int left_buttons,
|
||
int right_buttons)
|
||
{
|
||
Widget result;
|
||
Widget form;
|
||
Widget row;
|
||
Widget icon;
|
||
Widget icon_separator;
|
||
Widget message_label;
|
||
Widget value = 0;
|
||
Widget separator;
|
||
Widget button = 0;
|
||
Widget children [16]; /* for the final XtManageChildren */
|
||
int n_children;
|
||
Arg al[64]; /* Arg List */
|
||
int ac; /* Arg Count */
|
||
int i;
|
||
|
||
if (pop_up_p)
|
||
{
|
||
ac = 0;
|
||
XtSetArg(al[ac], XmNtitle, shell_title); ac++;
|
||
XtSetArg(al[ac], XtNallowShellResize, True); ac++;
|
||
XtSetArg(al[ac], XmNdeleteResponse, XmUNMAP); ac++;
|
||
result = XmCreateDialogShell (parent, "dialog", al, ac);
|
||
ac = 0;
|
||
XtSetArg(al[ac], XmNautoUnmanage, FALSE); ac++;
|
||
/* XtSetArg(al[ac], XmNautoUnmanage, TRUE); ac++; */ /* ####is this ok? */
|
||
XtSetArg(al[ac], XmNnavigationType, XmTAB_GROUP); ac++;
|
||
form = XmCreateForm (result, shell_title, al, ac);
|
||
}
|
||
else
|
||
{
|
||
ac = 0;
|
||
XtSetArg(al[ac], XmNautoUnmanage, FALSE); ac++;
|
||
XtSetArg(al[ac], XmNnavigationType, XmTAB_GROUP); ac++;
|
||
form = XmCreateForm (parent, shell_title, al, ac);
|
||
result = form;
|
||
}
|
||
|
||
n_children = left_buttons + right_buttons + 1;
|
||
ac = 0;
|
||
XtSetArg(al[ac], XmNpacking, n_children == 3?
|
||
XmPACK_COLUMN: XmPACK_TIGHT); ac++;
|
||
XtSetArg(al[ac], XmNorientation, n_children == 3?
|
||
XmVERTICAL: XmHORIZONTAL); ac++;
|
||
XtSetArg(al[ac], XmNnumColumns, left_buttons + right_buttons + 1); ac++;
|
||
XtSetArg(al[ac], XmNmarginWidth, 0); ac++;
|
||
XtSetArg(al[ac], XmNmarginHeight, 0); ac++;
|
||
XtSetArg(al[ac], XmNspacing, 13); ac++;
|
||
XtSetArg(al[ac], XmNadjustLast, False); ac++;
|
||
XtSetArg(al[ac], XmNalignment, XmALIGNMENT_CENTER); ac++;
|
||
XtSetArg(al[ac], XmNisAligned, True); ac++;
|
||
XtSetArg(al[ac], XmNtopAttachment, XmATTACH_NONE); ac++;
|
||
XtSetArg(al[ac], XmNbottomAttachment, XmATTACH_FORM); ac++;
|
||
XtSetArg(al[ac], XmNbottomOffset, 13); ac++;
|
||
XtSetArg(al[ac], XmNleftAttachment, XmATTACH_FORM); ac++;
|
||
XtSetArg(al[ac], XmNleftOffset, 13); ac++;
|
||
XtSetArg(al[ac], XmNrightAttachment, XmATTACH_FORM); ac++;
|
||
XtSetArg(al[ac], XmNrightOffset, 13); ac++;
|
||
row = XmCreateRowColumn (form, "row", al, ac);
|
||
|
||
n_children = 0;
|
||
for (i = 0; i < left_buttons; i++)
|
||
{
|
||
char button_name [16];
|
||
sprintf (button_name, "button%d", i + 1);
|
||
ac = 0;
|
||
if (i == 0)
|
||
{
|
||
XtSetArg(al[ac], XmNhighlightThickness, 1); ac++;
|
||
XtSetArg(al[ac], XmNshowAsDefault, TRUE); ac++;
|
||
}
|
||
XtSetArg(al[ac], XmNmarginWidth, 10); ac++;
|
||
XtSetArg(al[ac], XmNnavigationType, XmTAB_GROUP); ac++;
|
||
children [n_children] = XmCreatePushButton (row, button_name, al, ac);
|
||
XtAddEventHandler (children [n_children],
|
||
KeyPressMask, False, dialog_key_cb, result);
|
||
|
||
if (i == 0)
|
||
{
|
||
button = children [n_children];
|
||
ac = 0;
|
||
XtSetArg(al[ac], XmNdefaultButton, button); ac++;
|
||
XtSetValues (row, al, ac);
|
||
}
|
||
|
||
n_children++;
|
||
}
|
||
|
||
/* invisible separator button */
|
||
ac = 0;
|
||
XtSetArg (al[ac], XmNmappedWhenManaged, FALSE); ac++;
|
||
children [n_children] = XmCreateLabel (row, "separator_button", al, ac);
|
||
n_children++;
|
||
|
||
for (i = 0; i < right_buttons; i++)
|
||
{
|
||
char button_name [16];
|
||
sprintf (button_name, "button%d", left_buttons + i + 1);
|
||
ac = 0;
|
||
XtSetArg(al[ac], XmNmarginWidth, 10); ac++;
|
||
XtSetArg(al[ac], XmNnavigationType, XmTAB_GROUP); ac++;
|
||
children [n_children] = XmCreatePushButton (row, button_name, al, ac);
|
||
XtAddEventHandler (children [n_children],
|
||
KeyPressMask, False, dialog_key_cb, result);
|
||
|
||
if (! button) button = children [n_children];
|
||
n_children++;
|
||
}
|
||
|
||
XtManageChildren (children, n_children);
|
||
|
||
ac = 0;
|
||
XtSetArg(al[ac], XmNtopAttachment, XmATTACH_NONE); ac++;
|
||
XtSetArg(al[ac], XmNbottomAttachment, XmATTACH_WIDGET); ac++;
|
||
XtSetArg(al[ac], XmNbottomOffset, 13); ac++;
|
||
XtSetArg(al[ac], XmNbottomWidget, row); ac++;
|
||
XtSetArg(al[ac], XmNleftAttachment, XmATTACH_FORM); ac++;
|
||
XtSetArg(al[ac], XmNleftOffset, 0); ac++;
|
||
XtSetArg(al[ac], XmNrightAttachment, XmATTACH_FORM); ac++;
|
||
XtSetArg(al[ac], XmNrightOffset, 0); ac++;
|
||
separator = XmCreateSeparator (form, "", al, ac);
|
||
|
||
ac = 0;
|
||
XtSetArg(al[ac], XmNlabelType, XmPIXMAP); ac++;
|
||
XtSetArg(al[ac], XmNtopAttachment, XmATTACH_FORM); ac++;
|
||
XtSetArg(al[ac], XmNtopOffset, 13); ac++;
|
||
XtSetArg(al[ac], XmNbottomAttachment, XmATTACH_NONE); ac++;
|
||
XtSetArg(al[ac], XmNleftAttachment, XmATTACH_FORM); ac++;
|
||
XtSetArg(al[ac], XmNleftOffset, 13); ac++;
|
||
XtSetArg(al[ac], XmNrightAttachment, XmATTACH_NONE); ac++;
|
||
icon = XmCreateLabel (form, icon_name, al, ac);
|
||
|
||
ac = 0;
|
||
XtSetArg(al[ac], XmNmappedWhenManaged, FALSE); ac++;
|
||
XtSetArg(al[ac], XmNtopAttachment, XmATTACH_WIDGET); ac++;
|
||
XtSetArg(al[ac], XmNtopOffset, 6); ac++;
|
||
XtSetArg(al[ac], XmNtopWidget, icon); ac++;
|
||
XtSetArg(al[ac], XmNbottomAttachment, XmATTACH_WIDGET); ac++;
|
||
XtSetArg(al[ac], XmNbottomOffset, 6); ac++;
|
||
XtSetArg(al[ac], XmNbottomWidget, separator); ac++;
|
||
XtSetArg(al[ac], XmNleftAttachment, XmATTACH_NONE); ac++;
|
||
XtSetArg(al[ac], XmNrightAttachment, XmATTACH_NONE); ac++;
|
||
icon_separator = XmCreateLabel (form, "", al, ac);
|
||
|
||
if (text_input_slot)
|
||
{
|
||
ac = 0;
|
||
XtSetArg(al[ac], XmNcolumns, 50); ac++;
|
||
XtSetArg(al[ac], XmNtopAttachment, XmATTACH_NONE); ac++;
|
||
XtSetArg(al[ac], XmNbottomAttachment, XmATTACH_WIDGET); ac++;
|
||
XtSetArg(al[ac], XmNbottomOffset, 13); ac++;
|
||
XtSetArg(al[ac], XmNbottomWidget, separator); ac++;
|
||
XtSetArg(al[ac], XmNleftAttachment, XmATTACH_WIDGET); ac++;
|
||
XtSetArg(al[ac], XmNleftOffset, 13); ac++;
|
||
XtSetArg(al[ac], XmNleftWidget, icon); ac++;
|
||
XtSetArg(al[ac], XmNrightAttachment, XmATTACH_FORM); ac++;
|
||
XtSetArg(al[ac], XmNrightOffset, 13); ac++;
|
||
value = XmCreateTextField (form, "value", al, ac);
|
||
}
|
||
else if (radio_box)
|
||
{
|
||
Widget radio_butt;
|
||
ac = 0;
|
||
XtSetArg(al[ac], XmNmarginWidth, 0); ac++;
|
||
XtSetArg(al[ac], XmNmarginHeight, 0); ac++;
|
||
XtSetArg(al[ac], XmNspacing, 13); ac++;
|
||
XtSetArg(al[ac], XmNalignment, XmALIGNMENT_CENTER); ac++;
|
||
XtSetArg(al[ac], XmNorientation, XmHORIZONTAL); ac++;
|
||
XtSetArg(al[ac], XmNbottomAttachment, XmATTACH_WIDGET); ac++;
|
||
XtSetArg(al[ac], XmNbottomOffset, 13); ac++;
|
||
XtSetArg(al[ac], XmNbottomWidget, separator); ac++;
|
||
XtSetArg(al[ac], XmNleftAttachment, XmATTACH_WIDGET); ac++;
|
||
XtSetArg(al[ac], XmNleftOffset, 13); ac++;
|
||
XtSetArg(al[ac], XmNleftWidget, icon); ac++;
|
||
XtSetArg(al[ac], XmNrightAttachment, XmATTACH_FORM); ac++;
|
||
XtSetArg(al[ac], XmNrightOffset, 13); ac++;
|
||
value = XmCreateRadioBox (form, "radiobutton1", al, ac);
|
||
ac = 0;
|
||
i = 0;
|
||
radio_butt = XmCreateToggleButtonGadget (value, "radio1", al, ac);
|
||
children [i++] = radio_butt;
|
||
radio_butt = XmCreateToggleButtonGadget (value, "radio2", al, ac);
|
||
children [i++] = radio_butt;
|
||
radio_butt = XmCreateToggleButtonGadget (value, "radio3", al, ac);
|
||
children [i++] = radio_butt;
|
||
XtManageChildren (children, i);
|
||
}
|
||
else if (list)
|
||
{
|
||
ac = 0;
|
||
XtSetArg(al[ac], XmNvisibleItemCount, 5); ac++;
|
||
XtSetArg(al[ac], XmNtopAttachment, XmATTACH_NONE); ac++;
|
||
XtSetArg(al[ac], XmNbottomAttachment, XmATTACH_WIDGET); ac++;
|
||
XtSetArg(al[ac], XmNbottomOffset, 13); ac++;
|
||
XtSetArg(al[ac], XmNbottomWidget, separator); ac++;
|
||
XtSetArg(al[ac], XmNleftAttachment, XmATTACH_WIDGET); ac++;
|
||
XtSetArg(al[ac], XmNleftOffset, 13); ac++;
|
||
XtSetArg(al[ac], XmNleftWidget, icon); ac++;
|
||
XtSetArg(al[ac], XmNrightAttachment, XmATTACH_FORM); ac++;
|
||
XtSetArg(al[ac], XmNrightOffset, 13); ac++;
|
||
value = XmCreateScrolledList (form, "list", al, ac);
|
||
|
||
/* this is the easiest way I found to have the dble click in the
|
||
list activate the default button */
|
||
XtAddCallback (value, XmNdefaultActionCallback, activate_button, button);
|
||
}
|
||
|
||
ac = 0;
|
||
XtSetArg(al[ac], XmNalignment, XmALIGNMENT_BEGINNING); ac++;
|
||
XtSetArg(al[ac], XmNtopAttachment, XmATTACH_FORM); ac++;
|
||
XtSetArg(al[ac], XmNtopOffset, 13); ac++;
|
||
XtSetArg(al[ac], XmNbottomAttachment, XmATTACH_WIDGET); ac++;
|
||
XtSetArg(al[ac], XmNbottomOffset, 13); ac++;
|
||
XtSetArg(al[ac], XmNbottomWidget,
|
||
text_input_slot || radio_box || list ? value : separator); ac++;
|
||
XtSetArg(al[ac], XmNleftAttachment, XmATTACH_WIDGET); ac++;
|
||
XtSetArg(al[ac], XmNleftOffset, 13); ac++;
|
||
XtSetArg(al[ac], XmNleftWidget, icon); ac++;
|
||
XtSetArg(al[ac], XmNrightAttachment, XmATTACH_FORM); ac++;
|
||
XtSetArg(al[ac], XmNrightOffset, 13); ac++;
|
||
message_label = XmCreateLabel (form, "message", al, ac);
|
||
|
||
if (list)
|
||
XtManageChild (value);
|
||
|
||
i = 0;
|
||
children [i] = row; i++;
|
||
children [i] = separator; i++;
|
||
if (text_input_slot || radio_box)
|
||
{
|
||
children [i] = value; i++;
|
||
}
|
||
children [i] = message_label; i++;
|
||
children [i] = icon; i++;
|
||
children [i] = icon_separator; i++;
|
||
XtManageChildren (children, i);
|
||
|
||
if (text_input_slot || list)
|
||
{
|
||
XtInstallAccelerators (value, button);
|
||
XtSetKeyboardFocus (result, value);
|
||
}
|
||
else
|
||
{
|
||
XtInstallAccelerators (form, button);
|
||
XtSetKeyboardFocus (result, button);
|
||
}
|
||
|
||
return result;
|
||
}
|
||
|
||
static destroyed_instance*
|
||
find_matching_instance (widget_instance* instance)
|
||
{
|
||
destroyed_instance* cur;
|
||
destroyed_instance* prev;
|
||
char* type = instance->info->type;
|
||
char* name = instance->info->name;
|
||
|
||
for (prev = NULL, cur = all_destroyed_instances;
|
||
cur;
|
||
prev = cur, cur = cur->next)
|
||
{
|
||
if (!strcmp (cur->name, name)
|
||
&& !strcmp (cur->type, type)
|
||
&& cur->parent == instance->parent
|
||
&& cur->pop_up_p == instance->pop_up_p)
|
||
{
|
||
if (prev)
|
||
prev->next = cur->next;
|
||
else
|
||
all_destroyed_instances = cur->next;
|
||
return cur;
|
||
}
|
||
/* do some cleanup */
|
||
else if (!cur->widget)
|
||
{
|
||
if (prev)
|
||
prev->next = cur->next;
|
||
else
|
||
all_destroyed_instances = cur->next;
|
||
free_destroyed_instance (cur);
|
||
cur = prev ? prev : all_destroyed_instances;
|
||
}
|
||
}
|
||
return NULL;
|
||
}
|
||
|
||
static void
|
||
mark_dead_instance_destroyed (Widget widget,
|
||
XtPointer closure,
|
||
XtPointer call_data)
|
||
{
|
||
destroyed_instance* instance = (destroyed_instance*)closure;
|
||
instance->widget = NULL;
|
||
}
|
||
|
||
static void
|
||
recenter_widget (Widget widget)
|
||
{
|
||
Widget parent = XtParent (widget);
|
||
Screen* screen = XtScreen (widget);
|
||
Dimension screen_width = WidthOfScreen (screen);
|
||
Dimension screen_height = HeightOfScreen (screen);
|
||
Dimension parent_width = 0;
|
||
Dimension parent_height = 0;
|
||
Dimension child_width = 0;
|
||
Dimension child_height = 0;
|
||
Position x;
|
||
Position y;
|
||
|
||
XtVaGetValues (widget, XtNwidth, &child_width, XtNheight, &child_height, NULL);
|
||
XtVaGetValues (parent, XtNwidth, &parent_width, XtNheight, &parent_height,
|
||
NULL);
|
||
|
||
x = (((Position)parent_width) - ((Position)child_width)) / 2;
|
||
y = (((Position)parent_height) - ((Position)child_height)) / 2;
|
||
|
||
XtTranslateCoords (parent, x, y, &x, &y);
|
||
|
||
if (x + child_width > screen_width)
|
||
x = screen_width - child_width;
|
||
if (x < 0)
|
||
x = 0;
|
||
|
||
if (y + child_height > screen_height)
|
||
y = screen_height - child_height;
|
||
if (y < 0)
|
||
y = 0;
|
||
|
||
XtVaSetValues (widget, XtNx, x, XtNy, y, NULL);
|
||
}
|
||
|
||
static Widget
|
||
recycle_instance (destroyed_instance* instance)
|
||
{
|
||
Widget widget = instance->widget;
|
||
|
||
/* widget is NULL if the parent was destroyed. */
|
||
if (widget)
|
||
{
|
||
Widget focus;
|
||
Widget separator;
|
||
|
||
/* Remove the destroy callback as the instance is not in the list
|
||
anymore */
|
||
XtRemoveCallback (instance->parent, XtNdestroyCallback,
|
||
mark_dead_instance_destroyed,
|
||
(XtPointer)instance);
|
||
|
||
/* Give the focus to the initial item */
|
||
focus = XtNameToWidget (widget, "*value");
|
||
if (!focus)
|
||
focus = XtNameToWidget (widget, "*button1");
|
||
if (focus)
|
||
XtSetKeyboardFocus (widget, focus);
|
||
|
||
/* shrink the separator label back to their original size */
|
||
separator = XtNameToWidget (widget, "*separator_button");
|
||
if (separator)
|
||
XtVaSetValues (separator, XtNwidth, 5, XtNheight, 5, NULL);
|
||
|
||
/* Center the dialog in its parent */
|
||
recenter_widget (widget);
|
||
}
|
||
free_destroyed_instance (instance);
|
||
return widget;
|
||
}
|
||
|
||
Widget
|
||
xm_create_dialog (widget_instance* instance)
|
||
{
|
||
char* name = instance->info->type;
|
||
Widget parent = instance->parent;
|
||
Widget widget;
|
||
Boolean pop_up_p = instance->pop_up_p;
|
||
char* shell_name = 0;
|
||
char* icon_name = 0;
|
||
Boolean text_input_slot = False;
|
||
Boolean radio_box = False;
|
||
Boolean list = False;
|
||
int total_buttons;
|
||
int left_buttons = 0;
|
||
int right_buttons = 1;
|
||
destroyed_instance* dead_one;
|
||
|
||
/* try to find a widget to recycle */
|
||
dead_one = find_matching_instance (instance);
|
||
if (dead_one)
|
||
{
|
||
Widget recycled_widget = recycle_instance (dead_one);
|
||
if (recycled_widget)
|
||
return recycled_widget;
|
||
}
|
||
|
||
switch (name [0]){
|
||
case 'E': case 'e':
|
||
icon_name = "dbox-error";
|
||
shell_name = "Error";
|
||
break;
|
||
|
||
case 'I': case 'i':
|
||
icon_name = "dbox-info";
|
||
shell_name = "Information";
|
||
break;
|
||
|
||
case 'L': case 'l':
|
||
list = True;
|
||
icon_name = "dbox-question";
|
||
shell_name = "Prompt";
|
||
break;
|
||
|
||
case 'P': case 'p':
|
||
text_input_slot = True;
|
||
icon_name = "dbox-question";
|
||
shell_name = "Prompt";
|
||
break;
|
||
|
||
case 'Q': case 'q':
|
||
icon_name = "dbox-question";
|
||
shell_name = "Question";
|
||
break;
|
||
}
|
||
|
||
total_buttons = name [1] - '0';
|
||
|
||
if (name [3] == 'T' || name [3] == 't')
|
||
{
|
||
text_input_slot = False;
|
||
radio_box = True;
|
||
}
|
||
else if (name [3])
|
||
right_buttons = name [4] - '0';
|
||
|
||
left_buttons = total_buttons - right_buttons;
|
||
|
||
widget = make_dialog (name, parent, pop_up_p,
|
||
shell_name, icon_name, text_input_slot, radio_box,
|
||
list, left_buttons, right_buttons);
|
||
|
||
XtAddCallback (widget, XmNpopdownCallback, xm_nosel_callback,
|
||
(XtPointer) instance);
|
||
|
||
return widget;
|
||
}
|
||
|
||
/* Create a menu bar. We turn off the f10 key
|
||
because we have not yet managed to make it work right in Motif. */
|
||
|
||
static Widget
|
||
make_menubar (widget_instance* instance)
|
||
{
|
||
Arg al[3];
|
||
int ac;
|
||
|
||
ac = 0;
|
||
XtSetArg(al[ac], XmNmenuAccelerator, 0); ++ac;
|
||
return XmCreateMenuBar (instance->parent, instance->info->name, al, ac);
|
||
}
|
||
|
||
static void
|
||
remove_grabs (Widget shell,
|
||
XtPointer closure,
|
||
XtPointer call_data)
|
||
{
|
||
Widget menu = (Widget) closure;
|
||
XmRemoveFromPostFromList (menu, XtParent (XtParent (menu)));
|
||
}
|
||
|
||
static Widget
|
||
make_popup_menu (widget_instance* instance)
|
||
{
|
||
Widget parent = instance->parent;
|
||
Window parent_window = parent->core.window;
|
||
Widget result;
|
||
|
||
/* sets the parent window to 0 to fool Motif into not generating a grab */
|
||
parent->core.window = 0;
|
||
result = XmCreatePopupMenu (parent, instance->info->name, NULL, 0);
|
||
XtAddCallback (XtParent (result), XmNpopdownCallback, remove_grabs,
|
||
(XtPointer)result);
|
||
parent->core.window = parent_window;
|
||
return result;
|
||
}
|
||
|
||
static Widget
|
||
make_main (widget_instance* instance)
|
||
{
|
||
Widget parent = instance->parent;
|
||
Widget result;
|
||
Arg al[2];
|
||
int ac;
|
||
|
||
ac = 0;
|
||
XtSetArg (al[ac], XtNborderWidth, 0); ac++;
|
||
XtSetArg (al[ac], XmNspacing, 0); ac++;
|
||
result = XmCreateMainWindow (parent, instance->info->name, al, ac);
|
||
return result;
|
||
}
|
||
|
||
/* Table of functions to create widgets */
|
||
|
||
#ifdef ENERGIZE
|
||
|
||
/* interface with the XDesigner generated functions */
|
||
typedef Widget (*widget_maker) (Widget);
|
||
extern Widget create_project_p_sheet (Widget parent);
|
||
extern Widget create_debugger_p_sheet (Widget parent);
|
||
extern Widget create_breaklist_p_sheet (Widget parent);
|
||
extern Widget create_le_browser_p_sheet (Widget parent);
|
||
extern Widget create_class_browser_p_sheet (Widget parent);
|
||
extern Widget create_call_browser_p_sheet (Widget parent);
|
||
extern Widget create_build_dialog (Widget parent);
|
||
extern Widget create_editmode_dialog (Widget parent);
|
||
extern Widget create_search_dialog (Widget parent);
|
||
extern Widget create_project_display_dialog (Widget parent);
|
||
|
||
static Widget
|
||
make_one (widget_instance* instance, widget_maker fn)
|
||
{
|
||
Widget result;
|
||
Arg al [64];
|
||
int ac = 0;
|
||
|
||
if (instance->pop_up_p)
|
||
{
|
||
XtSetArg (al [ac], XmNallowShellResize, TRUE); ac++;
|
||
result = XmCreateDialogShell (instance->parent, "dialog", NULL, 0);
|
||
XtAddCallback (result, XmNpopdownCallback, &xm_nosel_callback,
|
||
(XtPointer) instance);
|
||
(*fn) (result);
|
||
}
|
||
else
|
||
{
|
||
result = (*fn) (instance->parent);
|
||
XtRealizeWidget (result);
|
||
}
|
||
return result;
|
||
}
|
||
|
||
static Widget
|
||
make_project_p_sheet (widget_instance* instance)
|
||
{
|
||
return make_one (instance, create_project_p_sheet);
|
||
}
|
||
|
||
static Widget
|
||
make_debugger_p_sheet (widget_instance* instance)
|
||
{
|
||
return make_one (instance, create_debugger_p_sheet);
|
||
}
|
||
|
||
static Widget
|
||
make_breaklist_p_sheet (widget_instance* instance)
|
||
{
|
||
return make_one (instance, create_breaklist_p_sheet);
|
||
}
|
||
|
||
static Widget
|
||
make_le_browser_p_sheet (widget_instance* instance)
|
||
{
|
||
return make_one (instance, create_le_browser_p_sheet);
|
||
}
|
||
|
||
static Widget
|
||
make_class_browser_p_sheet (widget_instance* instance)
|
||
{
|
||
return make_one (instance, create_class_browser_p_sheet);
|
||
}
|
||
|
||
static Widget
|
||
make_call_browser_p_sheet (widget_instance* instance)
|
||
{
|
||
return make_one (instance, create_call_browser_p_sheet);
|
||
}
|
||
|
||
static Widget
|
||
make_build_dialog (widget_instance* instance)
|
||
{
|
||
return make_one (instance, create_build_dialog);
|
||
}
|
||
|
||
static Widget
|
||
make_editmode_dialog (widget_instance* instance)
|
||
{
|
||
return make_one (instance, create_editmode_dialog);
|
||
}
|
||
|
||
static Widget
|
||
make_search_dialog (widget_instance* instance)
|
||
{
|
||
return make_one (instance, create_search_dialog);
|
||
}
|
||
|
||
static Widget
|
||
make_project_display_dialog (widget_instance* instance)
|
||
{
|
||
return make_one (instance, create_project_display_dialog);
|
||
}
|
||
|
||
#endif /* ENERGIZE */
|
||
|
||
widget_creation_entry
|
||
xm_creation_table [] =
|
||
{
|
||
{"menubar", make_menubar},
|
||
{"popup", make_popup_menu},
|
||
{"main", make_main},
|
||
#ifdef ENERGIZE
|
||
{"project_p_sheet", make_project_p_sheet},
|
||
{"debugger_p_sheet", make_debugger_p_sheet},
|
||
{"breaklist_psheet", make_breaklist_p_sheet},
|
||
{"leb_psheet", make_le_browser_p_sheet},
|
||
{"class_browser_psheet", make_class_browser_p_sheet},
|
||
{"ctree_browser_psheet", make_call_browser_p_sheet},
|
||
{"build", make_build_dialog},
|
||
{"editmode", make_editmode_dialog},
|
||
{"search", make_search_dialog},
|
||
{"project_display", make_project_display_dialog},
|
||
#endif /* ENERGIZE */
|
||
{NULL, NULL}
|
||
};
|
||
|
||
/* Destruction of instances */
|
||
void
|
||
xm_destroy_instance ( widget_instance* instance)
|
||
{
|
||
Widget widget = instance->widget;
|
||
/* recycle the dialog boxes */
|
||
/* Disable the recycling until we can find a way to have the dialog box
|
||
get reasonable layout after we modify its contents. */
|
||
if (0
|
||
&& XtClass (widget) == xmDialogShellWidgetClass)
|
||
{
|
||
destroyed_instance* dead_instance =
|
||
make_destroyed_instance (instance->info->name,
|
||
instance->info->type,
|
||
instance->widget,
|
||
instance->parent,
|
||
instance->pop_up_p);
|
||
dead_instance->next = all_destroyed_instances;
|
||
all_destroyed_instances = dead_instance;
|
||
XtUnmanageChild (first_child (instance->widget));
|
||
XFlush (XtDisplay (instance->widget));
|
||
XtAddCallback (instance->parent, XtNdestroyCallback,
|
||
mark_dead_instance_destroyed, (XtPointer)dead_instance);
|
||
}
|
||
else
|
||
{
|
||
/* This might not be necessary now that the nosel is attached to
|
||
popdown instead of destroy, but it can't hurt. */
|
||
XtRemoveCallback (instance->widget, XtNdestroyCallback,
|
||
xm_nosel_callback, (XtPointer)instance);
|
||
XtDestroyWidget (instance->widget);
|
||
}
|
||
}
|
||
|
||
/* popup utility */
|
||
void
|
||
xm_popup_menu (Widget widget, XEvent *event)
|
||
{
|
||
XButtonPressedEvent dummy;
|
||
|
||
if (event == 0)
|
||
{
|
||
dummy.type = ButtonPress;
|
||
dummy.serial = 0;
|
||
dummy.send_event = 0;
|
||
dummy.display = XtDisplay (widget);
|
||
dummy.window = XtWindow (XtParent (widget));
|
||
dummy.time = 0;
|
||
dummy.button = 0;
|
||
XQueryPointer (dummy.display, dummy.window, &dummy.root,
|
||
&dummy.subwindow, &dummy.x_root, &dummy.y_root,
|
||
&dummy.x, &dummy.y, &dummy.state);
|
||
event = (XEvent *) &dummy;
|
||
}
|
||
|
||
if (event->type == ButtonPress || event->type == ButtonRelease)
|
||
{
|
||
/* Setting the menuPost resource only required by Motif 1.1 and
|
||
LessTif 0.84 and earlier. With later versions of LessTif,
|
||
setting menuPost is unnecessary and may cause problems, so
|
||
don't do it. */
|
||
#if XmVersion < 1002 || (defined LESSTIF_VERSION && LESSTIF_VERSION < 84)
|
||
{
|
||
/* This is so totally ridiculous: there's NO WAY to tell Motif
|
||
that *any* button can select a menu item. Only one button
|
||
can have that honor. */
|
||
|
||
char *trans = 0;
|
||
if (event->xbutton.state & Button5Mask) trans = "<Btn5Down>";
|
||
else if (event->xbutton.state & Button4Mask) trans = "<Btn4Down>";
|
||
else if (event->xbutton.state & Button3Mask) trans = "<Btn3Down>";
|
||
else if (event->xbutton.state & Button2Mask) trans = "<Btn2Down>";
|
||
else if (event->xbutton.state & Button1Mask) trans = "<Btn1Down>";
|
||
if (trans) XtVaSetValues (widget, XmNmenuPost, trans, NULL);
|
||
}
|
||
#endif
|
||
|
||
XmMenuPosition (widget, (XButtonPressedEvent *) event);
|
||
}
|
||
|
||
XtManageChild (widget);
|
||
}
|
||
|
||
static void
|
||
set_min_dialog_size (Widget w)
|
||
{
|
||
short width;
|
||
short height;
|
||
XtVaGetValues (w, XmNwidth, &width, XmNheight, &height, NULL);
|
||
XtVaSetValues (w, XmNminWidth, width, XmNminHeight, height, NULL);
|
||
}
|
||
|
||
void
|
||
xm_pop_instance (widget_instance* instance, Boolean up)
|
||
{
|
||
Widget widget = instance->widget;
|
||
|
||
if (XtClass (widget) == xmDialogShellWidgetClass)
|
||
{
|
||
Widget widget_to_manage = first_child (widget);
|
||
if (up)
|
||
{
|
||
XtManageChild (widget_to_manage);
|
||
set_min_dialog_size (widget);
|
||
XtSetKeyboardFocus (instance->parent, widget);
|
||
}
|
||
else
|
||
XtUnmanageChild (widget_to_manage);
|
||
}
|
||
else
|
||
{
|
||
if (up)
|
||
XtManageChild (widget);
|
||
else
|
||
XtUnmanageChild (widget);
|
||
}
|
||
}
|
||
|
||
|
||
/* motif callback */
|
||
|
||
static void
|
||
do_call (Widget widget,
|
||
XtPointer closure,
|
||
enum do_call_type type)
|
||
{
|
||
Arg al [256];
|
||
int ac;
|
||
XtPointer user_data;
|
||
widget_instance* instance = (widget_instance*)closure;
|
||
Widget instance_widget;
|
||
LWLIB_ID id;
|
||
|
||
if (!instance)
|
||
return;
|
||
if (widget->core.being_destroyed)
|
||
return;
|
||
|
||
instance_widget = instance->widget;
|
||
if (!instance_widget)
|
||
return;
|
||
|
||
id = instance->info->id;
|
||
ac = 0;
|
||
user_data = NULL;
|
||
XtSetArg (al [ac], XmNuserData, &user_data); ac++;
|
||
XtGetValues (widget, al, ac);
|
||
|
||
switch (type)
|
||
{
|
||
case pre_activate:
|
||
if (instance->info->pre_activate_cb)
|
||
instance->info->pre_activate_cb (widget, id, user_data);
|
||
break;
|
||
|
||
case selection:
|
||
if (instance->info->selection_cb)
|
||
instance->info->selection_cb (widget, id, user_data);
|
||
break;
|
||
|
||
case no_selection:
|
||
if (instance->info->selection_cb)
|
||
instance->info->selection_cb (widget, id, (XtPointer) -1);
|
||
break;
|
||
|
||
case post_activate:
|
||
if (instance->info->post_activate_cb)
|
||
instance->info->post_activate_cb (widget, id, user_data);
|
||
break;
|
||
|
||
default:
|
||
abort ();
|
||
}
|
||
}
|
||
|
||
/* Like lw_internal_update_other_instances except that it does not do
|
||
anything if its shell parent is not managed. This is to protect
|
||
lw_internal_update_other_instances to dereference freed memory
|
||
if the widget was ``destroyed'' by caching it in the all_destroyed_instances
|
||
list */
|
||
static void
|
||
xm_internal_update_other_instances (Widget widget,
|
||
XtPointer closure,
|
||
XtPointer call_data)
|
||
{
|
||
Widget parent;
|
||
for (parent = widget; parent; parent = XtParent (parent))
|
||
if (XtIsShell (parent))
|
||
break;
|
||
else if (!XtIsManaged (parent))
|
||
return;
|
||
lw_internal_update_other_instances (widget, closure, call_data);
|
||
}
|
||
|
||
static void
|
||
xm_generic_callback (Widget widget,
|
||
XtPointer closure,
|
||
XtPointer call_data)
|
||
{
|
||
lw_internal_update_other_instances (widget, closure, call_data);
|
||
do_call (widget, closure, selection);
|
||
}
|
||
|
||
static void
|
||
xm_nosel_callback (Widget widget,
|
||
XtPointer closure,
|
||
XtPointer call_data)
|
||
{
|
||
/* This callback is only called when a dialog box is dismissed with
|
||
the wm's destroy button (WM_DELETE_WINDOW.) We want the dialog
|
||
box to be destroyed in that case, not just unmapped, so that it
|
||
releases its keyboard grabs. But there are problems with running
|
||
our callbacks while the widget is in the process of being
|
||
destroyed, so we set XmNdeleteResponse to XmUNMAP instead of
|
||
XmDESTROY and then destroy it ourself after having run the
|
||
callback. */
|
||
do_call (widget, closure, no_selection);
|
||
XtDestroyWidget (widget);
|
||
}
|
||
|
||
static void
|
||
xm_pull_down_callback (Widget widget,
|
||
XtPointer closure,
|
||
XtPointer call_data)
|
||
{
|
||
Widget parent = XtParent (widget);
|
||
|
||
if (XmIsRowColumn (parent))
|
||
{
|
||
unsigned char type = 0xff;
|
||
XtVaGetValues (parent, XmNrowColumnType, &type, NULL);
|
||
if (type == XmMENU_BAR)
|
||
do_call (widget, closure, pre_activate);
|
||
}
|
||
}
|
||
|
||
|
||
/* XmNpopdownCallback for MenuShell widgets. WIDGET is the MenuShell,
|
||
CLOSURE is a pointer to the widget_instance of the shell,
|
||
|
||
Note that this callback is called for each cascade button in a
|
||
menu, whether or not its submenu is visible. */
|
||
|
||
static void
|
||
xm_pop_down_callback (Widget widget,
|
||
XtPointer closure,
|
||
XtPointer call_data)
|
||
{
|
||
widget_instance *instance = (widget_instance *) closure;
|
||
|
||
if ((!instance->pop_up_p && XtParent (widget) == instance->widget)
|
||
|| XtParent (widget) == instance->parent)
|
||
do_call (widget, closure, post_activate);
|
||
}
|
||
|
||
|
||
/* set the keyboard focus */
|
||
void
|
||
xm_set_keyboard_focus (Widget parent, Widget w)
|
||
{
|
||
XmProcessTraversal (w, 0);
|
||
XtSetKeyboardFocus (parent, w);
|
||
}
|
||
|
||
/* Motif hack to set the main window areas. */
|
||
void
|
||
xm_set_main_areas (Widget parent,
|
||
Widget menubar,
|
||
Widget work_area)
|
||
{
|
||
XmMainWindowSetAreas (parent,
|
||
menubar, /* menubar (maybe 0) */
|
||
0, /* command area (psheets) */
|
||
0, /* horizontal scroll */
|
||
0, /* vertical scroll */
|
||
work_area); /* work area */
|
||
}
|
||
|
||
/* Motif hack to control resizing on the menubar. */
|
||
void
|
||
xm_manage_resizing (Widget w, Boolean flag)
|
||
{
|
||
XtVaSetValues (w, XtNallowShellResize, flag, NULL);
|
||
}
|